Bobbin-cluster.



H. D. GOLMAN & B. A. PETERSON. BOBBIN CLUSTER. APPLICATION FILED FEB. 21, 1910.

1,1 1 5,509, 7 v Patented Nov.- 3, 1914.

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H. D. GOLMAN & B. A. PETERSON.

BOBBIN CLUSTER.

APPLIOATION FILED FEB.21, 1910.

Patented Nov. 3, 1914.

'Nrup sa rus PATENT OFFICE.

HOWARD D. COLMAN AND BURT A. PETERSON, OF ROCKFORD, ILLINOIS, ASSIGNORS TO HOWARD D. COLMAN, LUTHER L. MILLER, AND HARRY A. SEVERSON, COPART- NERS DOING- BUSINESS AT ROCKFORD, ILLINOIS, AS BARBER-,COLMAN COMPANY.

BoBB'rN-oLns'rER.

Specification of Letters Patent.

Patented Nov. 3, 1914.

Application filed February 21, 1910. Serial No. 545,142.

To all whom it may concern:

Be it known thatwe, HOWARD D. COLMAN and BURT A. PETERSON, citizens of the United States, residing at Rockford, in the county of Winnebagoand State of Illinois, have invented certain new and usefulImprovements in Bobbin-Clusters, of whichthe following is a specification.

This invention relatesv to a support for a plurality of bobbinsandthe like, which is adapted for use in machines for unwinding yarn from one container and winding it upon another container.

In machines of this class which are intended to handle a large number of threads, as in warpers or beaming machines, it is essential to practical success that the bobbins or other containers being emptied be grouped as compactly as possible, having regard to accessibility, convenience in replace ing bobbins, and non-interference of the strands with one another. 7

When a thread is being rapidly unwound from a bobbin, the running thread balloons or forms itself into a loop surrounding the bobbin. Such ballooning, when excessive, causes injury to the thread, reduces the practical speed of winding by placing a drag on the thread, and causes interference with adjacent threads.

The object of this invention is to attain the greatest possible compactness in bobbinsupports of this class and to prevent excessive ballooning of the yarn.

In the accompanying drawings, Figure 1 is an elevation of a bobbin cluster embodying the features of our invention. Fig. 2 is a top plan view, showing said cluster. Fig. 3is a sectional view taken in the plane of line 33 of Fig. 1. Fig. 4 is an under side view of the cluster. Fig. 5 is a section on line 5 5 of Fig. 3..

The cluster is herein shown as' mounted upon a support comprising two angle irons 1 and a plate 2 attached to said angle irons. In Fig. 2 an entire plate and portions of two others have been illustrated to indicate how closely clusters embodying our invention may be grouped. For convenience in replacing bobbins, the cluster is rotatably connected with its support, the rotatable connection being obtained in this instance as follows: The lower end of the base 3 of the cluster has an annular rabbet therein forming a means such as a plurality of screws 3 seated in the base andhaving heads arranged to underhe the edges of the opening 5. These heads are. cut away at one side, as indicated I 111 Fig. 4, so that the heads, when turned into the position shown in said figure, shall oifer no obstruction to the removal of the base 3 from the support 2.

The cluster comprises four bobbin spindles 6 having a hinge connection with the base 3. In this instance the hinge eonnee tion is formed as follows: A transverse pivot 7 is fixed to the spindle, with its ends lying in recesses 8 in a pair of lugs 9 on the base 3 Above the lugs 9 is' a stop portion 10 on the base,-against which stop portion the spindle is normally held by a coiled spring 11. Each spring 11 is attached at its ends to two diametrically opposite spindles. The portion 6 of the spindle extending below the pivot 7 constitutes a stop to limit the outward pivotal movement of the upper part, or spindle proper, said stop 6 impinging upon the adjacent part of the base Upon each spin-v dle is an enlargement 12 forminga seat for the bobbin. The running thread is arranged to pass through a suitable. guide located near the upper ends of the cluster of bobbins and common to all of them.

In bobbin clusters heretofore produced, the bobbins have been inclined, the: axes of the bobbins extending through the common thread guide in order that the the threads might unwind from the bobbins and pass to the guide without catching on .the upper ends of the bobbins. This arrangement has necessarily caused the lower ends of the bobbins to be spread apart, and the supporting base to be of corresponding dimensions. \Ve have succeeded in making the bobbin cluster more compact by disposing the spindles in parallel relation and providing supplemental thread guides between the bobbins and the common guide.

The common guide is indicated at 13 in Figs. 1 and 2. WVhile it may be of various forms, we have herein shown a guide made of wire and comprising an open coil and an attachingstem', said stem being secured to a suitable support 14.

The supplemental or intermediatg guides extending through the axis of a spindle, said plane being at right angles to -a vertical plane passing through the spindle and the guide 13. This arrangement of the guide edge permits of the freest possible movement of the thread fromall points on the bobbin. Connecting the guide edges 16 are curved edges 17 across which the running thread passes in-moving from an exhausted bobbin to a full bobbin.

i To revent excessive ballooning and contact Q theballoon with adjacent bobbins,

artitions 18 are placed between the bobins. These partitions .may, if desired, be formed of two plates, each having a longitudinal central slot 19 extending from one end of the plate to a point about midway of the plate, whereby the two plates may be disposed in intersecting position by inserting each plate in: the slot of the other, as indicated in F igs: 6 and 7. The lower ends of the partitions are attached to the base 3 by means of angular lugs 20 on said partitions, and screws 21 passing through the 111 s into the base. -The plate 15 maybe secured to the upper ends of the partitions by forming extensions 22 on the upper ends of the two plates constituting said partitions, and making slots 23'in the plate 15 through which the extensions may extend. I After passing the plate 15 onto said extensions until it rests on the upper edges of the partitions, the ends of the extensions 22 are'bent out of register with the slots 23 so as to prevent upward displacement of the plate 15.

At the side of each bobbin at which the tendency to ballooning is most marked, we provide a restraining means herein shown as a flange 24 extending from the outer ed e of the partition and at a right angle tot 1e latter. Said flange extends, in this instance, from the lower end of the partition to the upper end thereof, being bent at its upper end to lie underneath the plate '15. The edge of the flange extends to the end of the straight guide edge 16, thereby servingto ong limit the reciprocation of the thread a the edge of the plate 15 as the thread unwinds from the bobbin. I

The'bobbins are connected in series so as to unwind in succession. The lower end a of the yarn on the. bobbin a is connected to the upper end bf of the yarn on the bobbin 6; the lower end 6 of the yarn on the bobbin 6 is connected to the upper end 0" of the yarn on the bobbin 0; and the lower end 0 of theyarn on the bobbin 0 is attachedv to the upper end (1' on the bobbin d. \Vhen bobbin a has been unwound the thread passes across the flange 24 and the gu de edge 17 to the upper end of bobbin 6, and

so on, the emptiyu bobbins being replaced at intervals with 11' bobbins which are. tied in, as hereinbefore described, so as to permit of uninterrupted winding.

WVhen replacing a' bobbin, the operator turns'the cluster so as to bring sa'id'bobbin into a position where it is conveniently accessible, swings the spindle outwardly, ulls ofi" the empty bobbin, putsona "full bob releases the spindle to the action of the spring 11, ties the upper end of the yarn to t e lower end on the preceding bobbin (having referenceto the order :of unwinding), and turns the cluster into the position shown in Fig. 2.

By arranging the spindles in parallel relation a great saving in space is obtained. Such an arrangement of the spindles is made possible 'byproviding the intermediate guides 16. The compact disposition herein shown of the bobbinsis rendered practicable by providing the partitions 18.

It will be understood that the invention is not limited to the precise details herein set forth, 'for various modifications will occur to those skilled in the art.

e claimas our invention:

1. In a bobbin cluster, in combination, a base; a plurality of bobbin spindles mounted thereon in parallel relation, said spindles being adapted to support bobbins connected in series so as to unwind in succession; a common yarn guide; a transverse plate located between the spindles and said yarn guide, said plate having a straight guide edge for each spindle, said edge lying in a vertical lane passing through the axis of the spin e, said plane extending at right angles to a vertical plane passing through the spindle and the said common yarn guide, said plate also having curved edges joining said straight guide edges, the curved edges permitting the yarn to pass freely around the cluster from one bobbin tothe other.

2. In a bobbin cluster,'i-n combination, a base; a plurality of bobbin spindles on said base; partitions between the spindles; yarn guide means at the upper ends of said partitions; and, a yarn-guiding flange on the outer edge of each partition extending to said yarnide means.

3. In a obbin cluster, in combination, a base; a plurality of bobbin spindles on said base; partitions between the spindle a transverse plate at the upper ends of said partitions, said plate having guide-edges for'the yarn running from the bobbins; and a yarn guiding flan e on the outer edge of each partition exten ing to the edges of said plate.

4. In a bobbin cluster, 1n combination, a base; a plurality of bobbin spindles on said base; partitions between the spindles; a

bin,

common yarn guide; a transverse plate at the upper ends of the partitions, said plate having a straight guide edge for each spindle, said edge lying in a plane passing through the axis of the spindle, said plane extending at right angles to a vertical plane passing through the spindle and the 001m mon guide, said straight guide edges being joined by curved edges; and a flange on the outer edge of each partition extending to the adjacent curved edges, one edge of said flange extending to the end of the adjacent straight guide-edge.

5. In a bobbin-cluster, in combination, a base; a plurality of bobbin spindles on said base; partitions between the spindles; a common yarn-guide; and intermediate guide means attached to said partitions.

6. In a bobbin cluster, in combination, a base;a plurality of bobbin spindles on said base; partitions between the spindles; a common yarn-guide; and a transverse plate 1 attached to the upper ends of the partitions, said plate having guide edges for the yarn running from the bobbins to the common ide.

7. In a bobbin cluster, in combination, abase;.a plurality of bobbin spindles on said base; partitions between the spindles; a common yarn-guide; a transverse plate attached to the upper ends of the partitions, said plate having guide-edgesfor the yarn running from the bobbins to the common, guide; and flanges on said partitions extending to said plate.

8. In a bobbin cluster, in combination, a base; a plurality of bobbin spindles on said base; sheet-metal partitions I between thespindles; a common yarn-guide; said partitions having extensions on their upper ends;

and a plate forming intermediate guide means .for the yarn, said plate having slotstherein receiving said extensions, the latter being bent out of register with the slots to lock the plate in place.

9. In. a bobbin cluster, in combination, a

base; a pair of bobbin spindles at opposite sides of the base, said spindles being provided with pivot means; stop means on said base; and a coiled spring secured at its ends to said spindles and tending to hold them against said stop means.

10. In a bobbin cluster, in combination, a base; a pair of lugs and a stop portion on said base; a bobbin spindle having a transverse pivot pin, the endsJof said pin lying in recesses in said lugs; and a spring at tached to said spindle between the stop portion and the lugs, for holding-said pin in said recesses and said spindle against said stop portion.

- J 11. In a bobbin cluster, incombination, a base; a supporting member having ano enadapted to be 

